JVC DLA-G150CLE User Manual download pdf (Page 10)

DLA-G150CLU

DLA-G150CLE

1-10

No.51931

Installing the Projector

Projection Distance and Screen Size

• The range of projection distances that can be focused depends on the lens unit (optional) to be used. When the aspect ratio

of the screen is 4:3, the range is as follows and you need to install the projector within this range.

Lens type

Approximate projection distance

GL-M2910G 0.77 m to 4.03 m

GL-M2915SG 1.76 m to 4.50 m

GL-M2920ZG 2.77 m to 19.71 m

GL-M2930SZG 4.74 m to 29.87 m

*: The value for projection distance is a guide (reference) one. The projected image size may vary depending on the

manufacturing tolerance of the projection lens.

Notes

• For detailed relationship between projection distances and projection screen sizes, refer to Appendix A. The relationships for

both 4:3 and 16:9 ratios are listed there.

• When installing a screen, use a 4:3 aspect-ratio picture.

• (A 16 : 9 aspect-ratio picture is projected based on the width of the range in which a 4:3 aspect-ratio picture is projected.)

• The diagonal length of a 16:9 aspect-ratio screen is about 91.8% that of a 4:3 aspect-ratio screen. This value is only a guide

(reference).

• If sunlight or lamp light strikes the projection screen directly, the picture tends to become pale and dim. Use a curtain or

other means to shield the light.

• Set the projector horizontally on a surface that is within the range of adjustable angles (up/down adjustment angle: +7° ;

horizontal adjustment angle: ±1.5°).

• If the keystone is adjusted, the projected screen becomes smaller.

• When hanging from the ceiling, use a dedicated hanging fixture (not supplied).

■ Optional Lenses

This projector does not include a lens. You can select one of the optional lenses to adjust the projection distance. Please ask

your authorized dealer or service center to install the lens.

Lens model Function

GL-M2910G Powered focus for rear projection, short focal length (subject ratio 1:1), 0% influence.

GL-M2915SG

Powered focus, short focal length (subject ratio 1.5:1), powered image adjustment (2%

zoom), includes manual vertical shift function, 30%-55% influence

GL-M2920ZG Powered zoom/powered focus lens (subject ratio 2:1-3:1), 50% influence.

GL-M2930SZG

Powered zoom/powered focus long focal length lens (subject ratio 2.9:1-5.5:1), includes

manual vertical shift function, 30%-55% influence.

90˚ 90˚ 90˚

Screen

Change of projection screen

according to aspect ratio

Screen with 4:3 aspect ratio

Screen with 16:9 aspect ratio

Center line of the lens

To move the Shift position by 50%, set the bottom edge of the projec-

tion screen so that it is at the same height as the center of the lens.

Installing the Projector

ENGLISHDEUTSHFRANÇAISITALIANOESPAÑOL

Setting the Amount of Lens Shifting

When the lens unit (optional) with the lens shifting function is used, the projected screen can be shifted up and down in

position.

Notes

• The amount of shifting is within the range of approx. 30% to 55%.

• After finishing the lens shift setting, tighten the SHIFT LOCK fixing bolt firmly so that the lens will not move.

Turn the cap on the top of the projector to open it.

Loosen the SHIFT LOCK fixing bolt.

Use the hex. wrench supplied.

Rotate the LENS SHIFT knob to adjust the position (shift amount) of the projected

screen.

Rotate it to the right: The lens shifts upward.

Rotate it to the left: The lens shifts downward.

Tighten the SHIFT LOCK fixing bolt firmly.

Use the hex. wrench supplied.

Turn the cap to close it.

■ Projected screen position image by amount of shift

* The projected screen position can only shift in an up-and-down direction.

The illustration shows the screen shifted sidewise for the purpose of explanation.

SHIFT LOCK fixing bolt

LENS SHIFT knob

Approx. 55%

Approx. 50%

Approx. 30%

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JVC DLA-G150CLE User Manual Page 10

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